Seiko Cal. 3866 - 206

This Spring Drive model from 1998 features a 43mm Hardlex-Coated Steel case. Powered by the 3866 caliber with 20j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-6e8bec10f49c]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

12.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

130m

Dial Color

Champagne

Jewels

20j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1998

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